| 80,000 Hours |
Co-founder (2011-01-01–); President (2014-11-17–2022-02-17); Trustee (2022-05-28–2023-02-20) |
Trustee (2014-11-17–2023-01-27); Advisor (2023-02-20–2023-08-14); External Advisor (2023-09-11–) |
| Centre for Effective Altruism |
Trustee (2023-03-14–2023-09-11); Trustee (2014-03-26–2021-04-16); CEO (2016-10-21–2017-01-09); Co-Founder (2016-10-21–); Chair (2021-11-01–2023-10-09) |
Trustee (2014-03-26–2022-09-23) |
| Global Priorities Institute |
Senior Research Fellow (2018-01-01–) |
Research Collaborator (2019-04-01–2020-01-01) |
| Giving What We Can |
Co-Founder, Vice-President (2016-01-25–2016-06-03) |
Founder (2009-01-01–) |